Item name:
Naphthalene-1,5-disulfonic acid
Description:
Naphthalene-1,5-disulfonic acid or Armstrong's acid is a fluorescent organic compound and appears as a colorless solid, typically obtained as the tetrahydrate. Its chemical formula is C10H8O6S2.
Group:
Intermediates
CAS Number:
81-04-9
EC Number:
226-109-5
Synonyms:
1,5-Naphthalenedisulfonic acid, Lithol rubine BK, Calcium-3-hydroxy-4-((4-methyl-2-sulfonatophenyl)azo)-2-naphthoate, C.I. Pigment Red 57:1, Pigment Red 57:1, C.I. 15850:1, Lithol Rubin BK, Calcium-3-hydroxy-4-((4-methyl-2-sulfonatophenyl)azo)-2-naphthoat, C.I. Pigment Red 57:1, Pigment Red 57:1, C.I. 15850:1, Solintor Rubine THW 571
Ipuac Name:
naphthalene-1,5-disulfonic acid
Molecular Formula:
C1H8O6S2
Molecular Weight:
288.288 g/mol
Density:
1.704 g/cm3
Hazard Class:
8
HS Code:
2904100000
RID/ADR:
UN 2585
Risk Statements:
R34
Signal World:
Danger